161936125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{439}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 219098880

約数和(自身を除く): 57162755

約数列:

[1, 5, 13, 25, 65, 125, 227, 325, 439, 1135, 1625, 2195, 2951, 5675, 5707, 10975, 14755, 28375, 28535, 54875, 73775, 99653, 142675, 368875, 498265, 713375, 1295489, 2491325, 6477445, 12456625, 32387225, 161936125]

約数ペア:

[(1, 161936125), (5, 32387225), (13, 12456625), (25, 6477445), (65, 2491325), (125, 1295489), (227, 713375), (325, 498265), (439, 368875), (1135, 142675), (1625, 99653), (2195, 73775), (2951, 54875), (5675, 28535), (5707, 28375), (10975, 14755)]